JPS5694515A - Method of controlling gain of circuit for amplifying signal supplied from read head installed in relation with data carrier* and device for performing same method - Google Patents

Method of controlling gain of circuit for amplifying signal supplied from read head installed in relation with data carrier* and device for performing same method

Info

Publication number
JPS5694515A
JPS5694515A JP16599680A JP16599680A JPS5694515A JP S5694515 A JPS5694515 A JP S5694515A JP 16599680 A JP16599680 A JP 16599680A JP 16599680 A JP16599680 A JP 16599680A JP S5694515 A JPS5694515 A JP S5694515A
Authority
JP
Japan
Prior art keywords
relation
circuit
signal supplied
data carrier
read head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP16599680A
Other languages
Japanese (ja)
Other versions
JPH0135422B2 (en
Inventor
Rukian Jiyan
Original Assignee
Cii
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cii filed Critical Cii
Publication of JPS5694515A publication Critical patent/JPS5694515A/en
Publication of JPH0135422B2 publication Critical patent/JPH0135422B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/035—Equalising
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control

Landscapes

  • Digital Magnetic Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP16599680A 1979-12-19 1980-11-27 Method of controlling gain of circuit for amplifying signal supplied from read head installed in relation with data carrier* and device for performing same method Granted JPS5694515A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7931080A FR2472304A1 (en) 1979-12-19 1979-12-19 METHOD FOR CONTROLLING THE GAIN OF CIRCUITS AMPLIFYING SIGNALS DELIVERED BY A READING HEAD ASSOCIATED WITH AN INFORMATION CARRIER AND DEVICE FOR IMPLEMENTING THE SAME

Publications (2)

Publication Number Publication Date
JPS5694515A true JPS5694515A (en) 1981-07-31
JPH0135422B2 JPH0135422B2 (en) 1989-07-25

Family

ID=9232936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16599680A Granted JPS5694515A (en) 1979-12-19 1980-11-27 Method of controlling gain of circuit for amplifying signal supplied from read head installed in relation with data carrier* and device for performing same method

Country Status (5)

Country Link
US (1) US4392164A (en)
EP (1) EP0032324B1 (en)
JP (1) JPS5694515A (en)
DE (1) DE3061071D1 (en)
FR (1) FR2472304A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01174123A (en) * 1987-12-28 1989-07-10 Alpine Electron Inc Automatic input/output characteristic adjusting method in a/d converter
US5606544A (en) * 1994-05-23 1997-02-25 Olympus Optical Co., Ltd. Optical information recording and regenerating apparatus which regulates the amplitude of a regenerated signal

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59207068A (en) * 1983-05-10 1984-11-24 Panafacom Ltd Floppy disc device
FR2557722B1 (en) * 1983-12-30 1986-04-11 Bull Sa METHOD FOR WRITING INFORMATION ON A RECORDING MEDIUM
EP0219037B1 (en) * 1985-10-08 1993-09-15 Sharp Kabushiki Kaisha Waveform processing circuit
US4772964A (en) * 1985-11-30 1988-09-20 Kabushiki Kaisha Toshiba Recorded data reproducing apparatus capable of performing auto-gain adjustment
FR2615995A1 (en) * 1987-05-27 1988-12-02 Bull Sa INFORMATION WRITING MODE ON A MAGNETIC RECORDING MEDIUM
JPH0198165A (en) * 1987-10-09 1989-04-17 Mitsubishi Electric Corp Magnetic disk device
JPH05120616A (en) * 1991-10-25 1993-05-18 Teac Corp Disk device
DE4319322C2 (en) * 1993-06-11 1998-04-23 Heidenhain Gmbh Dr Johannes Position measuring device
US6501611B1 (en) * 1999-04-27 2002-12-31 International Business Machines Corporation Data recovery apparatus, method and memory medium for a magnetic memory read/write channel
JP4008677B2 (en) * 2001-06-29 2007-11-14 富士通株式会社 Information recording / reproducing apparatus, signal decoding circuit, recording structure and method of information recording medium
US7864477B1 (en) * 2007-08-13 2011-01-04 Marvell International Ltd. Circuits, architectures, apparatuses, systems, algorithms and methods and software for automatic gain calibration of a burst signal stream

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1340204A (en) * 1961-06-29 1963-10-18 Ibm Automatic gain control circuits for electrical pulses
US3660821A (en) * 1970-06-17 1972-05-02 Burroughs Corp Disc file agc circuit
US3725885A (en) * 1970-09-28 1973-04-03 Ibm Method and apparatus for amplitude sensing and data gating in a magnetic-storage device with digital interface
US3879674A (en) * 1973-12-27 1975-04-22 Burroughs Corp Automatic gain control circuit
FR2346806A1 (en) * 1976-03-31 1977-10-28 Honeywell Bull Soc Ind MODE OF WRITING ADDRESS ON MAGNETIC RECORDING MEDIUM
US4074325A (en) * 1977-02-22 1978-02-14 Teac Corporation System for sensing the peaks of an output from a magnetic head
BE875285A (en) * 1978-04-24 1979-10-03 Cit Alcatel AUTOMATIC GAIN CONTROL CIRCUIT
US4298898A (en) * 1979-04-19 1981-11-03 Compagnie Internationale Pour L'informatique Cii Honeywell Bull Method of and apparatus for reading data from reference zones of a memory
US4326226A (en) * 1980-05-08 1982-04-20 Storage Technology Corporation Constant bandwidth automatic gain control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01174123A (en) * 1987-12-28 1989-07-10 Alpine Electron Inc Automatic input/output characteristic adjusting method in a/d converter
US5606544A (en) * 1994-05-23 1997-02-25 Olympus Optical Co., Ltd. Optical information recording and regenerating apparatus which regulates the amplitude of a regenerated signal

Also Published As

Publication number Publication date
FR2472304A1 (en) 1981-06-26
DE3061071D1 (en) 1982-12-16
US4392164A (en) 1983-07-05
JPH0135422B2 (en) 1989-07-25
EP0032324A1 (en) 1981-07-22
EP0032324B1 (en) 1982-11-10
FR2472304B1 (en) 1984-03-09

Similar Documents

Publication Publication Date Title
EP0207374A3 (en) Servo circuit for an information recording and/or reproducing apparatus
IT7967918A0 (en) APPARATUS FOR RECORDING AND OR REPRODUCING SIGNALS ON MAGNETIC TAPE
JPS5354036A (en) Heat sensitive data carrier and method of recording information on this carrier
HU175630B (en) Laser device for recording data and signal
JPS5216938A (en) Method and device for recording data
JPS5694515A (en) Method of controlling gain of circuit for amplifying signal supplied from read head installed in relation with data carrier* and device for performing same method
DE3067195D1 (en) Magnetic data recorder circuit and method of operating magnetic data recorders
GB2040541B (en) Apparatus for recording and/or reproducing signals
JPS5479020A (en) Method of reducing releasing time upon floating of platform having at least one transducer for reading and writing on data carrier
JPS558695A (en) Method of and device for reproducing selectively information
IT7967917A0 (en) APPARATUS FOR RECORDING AND OR REPRODUCING SIGNALS ON MAGNETIC TAPE
JPS57159190A (en) Wide band signal recording and/or reproducing method and circuit device for performing same method
GB2003646B (en) Tape recording and/or reproducing apparatus
GB2083681B (en) Magnetic tape setting device for use in magnetic tape recording and/or reproducing apparatus
JPS5338312A (en) Method and device for reading magnetic recording medium address
JPS5427719A (en) Method of and device for recording and reproducing video signal
EP0209151A3 (en) Apparatus for recording and/or reproducing an information signal
JPS5430008A (en) Device for recording and reproducing signal on magnetic tape
JPS5491351A (en) Method and device for reproducing and recording data
GB2055527B (en) Dubbing circuits for under-chroma video signal recording and/or reproducing systems
GB2092805B (en) Process and apparatus for the recording on and reading of recording tapes
JPS5611610A (en) Magnetic recording method of and apparatus for digital data signal
GB2000891B (en) Magnetic tape recording and/or reproducing apparatus
GB2009482B (en) Magnetic-tape recording and/or playback apparatus
JPS563419A (en) Method and device for magnetic recording of digital data signal